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- 增加 AsTable 和 Repository 分表时的自动迁移分表功能；

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- 增加 ICodeFirst.SyncStructure(Type entityType, string tableName) 指定表名来迁移实体；
```csharp
fsql.CodeFirst.SyncStructure(typeof(Log), "Log_1"); //迁移到 Log_1 表
fsql.CodeFirst.SyncStructure(typeof(Log), "Log_2"); //迁移到 Log_2 表
```
This commit is contained in:
28810
2019-11-13 19:57:44 +08:00
parent 24e2c098a4
commit dda7c8bc9c
21 changed files with 254 additions and 101 deletions
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20
Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlCodeFirst.cs
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@ -71,7 +71,7 @@ namespace FreeSql.Odbc.MySql
return null;
}
public override string GetComparisonDDLStatements(params Type[] entityTypes)
protected override string GetComparisonDDLStatements(params (Type entityType, string tableName)[] objects)
{
var conn = _orm.Ado.MasterPool.Get(TimeSpan.FromSeconds(5));
var database = conn.Value.Database;
@ -95,17 +95,27 @@ namespace FreeSql.Odbc.MySql
var sb = new StringBuilder();
try
{
foreach (var entityType in entityTypes)
foreach (var obj in objects)
{
if (sb.Length > 0) sb.Append("\r\n");
var tb = _commonUtils.GetTableByEntity(entityType);
if (tb == null) throw new Exception($"类型 {entityType.FullName} 不可迁移");
if (tb.Columns.Any() == false) throw new Exception($"类型 {entityType.FullName} 不可迁移，可迁移属性0个");
var tb = _commonUtils.GetTableByEntity(obj.entityType);
if (tb == null) throw new Exception($"类型 {obj.entityType.FullName} 不可迁移");
if (tb.Columns.Any() == false) throw new Exception($"类型 {obj.entityType.FullName} 不可迁移，可迁移属性0个");
var tbname = tb.DbName.Split(new[] { '.' }, 2);
if (tbname?.Length == 1) tbname = new[] { database, tbname[0] };
var tboldname = tb.DbOldName?.Split(new[] { '.' }, 2); //旧表名
if (tboldname?.Length == 1) tboldname = new[] { database, tboldname[0] };
if (string.IsNullOrEmpty(obj.tableName) == false)
{
var tbtmpname = obj.tableName.Split(new[] { '.' }, 2);
if (tbtmpname?.Length == 1) tbtmpname = new[] { database, tbtmpname[0] };
if (tbname[0] != tbtmpname[0] || tbname[1] != tbtmpname[1])
{
tbname = tbtmpname;
tboldname = null;
}
}
if (string.Compare(tbname[0], database, true) != 0 && ExecuteScalar(database, _commonUtils.FormatSql(" select 1 from information_schema.schemata where schema_name={0}", tbname[0])) == null) //创建数据库
sb.Append($"CREATE DATABASE IF NOT EXISTS ").Append(_commonUtils.QuoteSqlName(tbname[0])).Append(" default charset utf8 COLLATE utf8_general_ci;\r\n");